thermocouplen.
A thermoelectric device for measuring temperature, consisting of two different metals joined at a point so that the junction develops a voltage dependent on the amount by which its temperature differs from that of the other end of each metal.
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the world > matter > properties of materials > temperature > measurement of temperature > [noun] > instrument > other specific instruments
air thermometer1701
water thermometer1725
gas thermometer1837
geothermometer1838
nepheloscope1844
thanatometer1860
resistance thermometer1861
reversing thermometer1878
telethermometer1880
thermocouple1890
thermo-electroscope1895
thermodynamometer1909
ebulliometer1933
the world > matter > physics > electromagnetic radiation > electricity > galvanism, voltaism > thermo-electric battery > [noun] > cell or couple
thermo-pair1846
thermo-element1888
thermocouple1890
thermo-cell1907
1890 London, Edinb., & Dublin Philos. Mag. 5th Ser. 29 141 A practical method for the calibration of thermocouples by aid of boiling-points.
1901 Nature 23 May 92/2 The temperatures were measured with the thermocouple.
1934 Jrnl. Royal Aeronaut. Soc. 38 618 Twenty-two thermocouples were installed on the heads and bases of all rear-bank cylinders..for temperature tests.
1953 Brit. Jrnl. Psychol. 44 41 A thermocouple was used [for recording respiration]. It converted temperature variations in front of the nostrils into electrical variations.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) XIII. 562/2 Two dissimilar wires welded together at one end form the basic thermocouple.
1977 J. L. Harper Population Biol. Plants v. 145 Emerged seedlings were recorded and marked every week. Surface temperatures were measured with thermo~couples.
This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2020).
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n.1890